Operation
0850
−
1/A1
Winterthur Gas & Diesel Ltd.
4.9
WECS Critical Failure (WECS Engine Failure)
Failure Text
ME crank angle #1+2 fail. (ID 1)
Indication
FCM
−
20 No.
LED
ID
Display
#03 and #04
None
1
1
Cause The two crank angle sensor measurements fail.
Procedure
⇒
Do a check of the crank angle sensor unit and terminal box E96 for damage.
⇒
In the terminal box E96, make sure that the cables and connections are connected correctly
and do not have damage.
⇒
If necessary, repair or replace damaged cables.
⇒
Use a multimeter to do a check of the power supply to the last and last but one FCM
−
20.
⇒
It there is a power supply, do a check of the SSI-Bus terminating resistors (120 ohm) on plugs
X22 (terminals 51/52 and 53/54) and X23 (terminals 59/60 and 61/62) of FCM-20 #01. Make
sure that the resistors are connected correctly and there is no damage.
⇒
If a failure shows only on one FCM
−
20, make sure that the cable connections on plugs X22
and X23 are serviceable.
⇒
Start a CAS trend in flexView.
⇒
If necessary, replace a minimum of one two crank angle sensor immediately.
Failure Text
ME both CA / TDC high shift (ID 65)
FCM
−
20 No.
LED
Failure ID
Display
Indication
#05
BI1
65
65
Cause The difference between the TDC pick-up (measured angle) and crank angle sensor#1 and
sensor#2 is more than 4
_
CA. this failure will cause an engine shutdown.
The crank angle sensor or toothed belt has moved.
Procedure
⇒
In flexView, do a check for an incorrect TDC offset adjustment.
⇒
Adjust to get the correct distance of the TDC pick-up to the flywheel tooth (usually 4mm)
⇒
Make sure that the crankshaft has no deformation.
⇒
Do a check of the crank angle sensor drive and the belt for damage.
⇒
Make sure the the CAS#1 and CAS#2 are in the correct position (at TDC#1)
⇒
Start a CAS trend in flexView.
⇒
If necessary, replace a minimum of one of the two crank angle sensors immediately
Failure Text
ME excessive engine speed (ID 69)
FCM
−
20 No.
LED
Failure ID
Display
Indication
#03 and #04
None
69
69
Cause The engine has too much speed (more than 115% nominal speed).
Procedure
⇒
Do a check of each alarm from the CA sensors
⇒
In heavy sea conditions, decrease the engine speed.
⇒
Do a check of related speed alarms in the safety system
2014
Failures and Defects of WECS Components
Summary of Contents for W-X82
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Page 337: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 3 21 WCH00345 2014 Air Supply...
Page 340: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 6 21 WCH01167 2014 Servo Oil Supply 9 cylinders...
Page 342: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 8 21 WCH01123 2014 Fuel Supply 9 cylinders...
Page 343: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 9 21 016 805 08 2014 Starting System...
Page 344: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 10 21 016 335 07 2014 Speed Control...
Page 354: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 20 21 018 138 09 2014 Cooling Water...
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